What are the coordinates of the circumcenter of a triangle with vertices a(−3, 3) , b(−1, 3) , and c(−1, −1) ? enter your answer in the box.

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a. r'(–3, 1),  s'(–3, 5)b. r'(–1, 3),  s'(–5, 3)c. r'(1, 3),  s'(5, 3)d. r'(5, 3),  s'(1, 3)

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?